Semi-Qualitative Trend Analysis for the Monitoring of Process Control Loops | Zendy

Yoshiyuki Yamashita | Zendy

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Semi-Qualitative Trend Analysis for the Monitoring of Process Control Loops

Author(s) -

Yoshiyuki Yamashita

Publication year - 2012

Publication title -

journal of advanced computational intelligence and intelligent informatics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.172

H-Index - 20

eISSN - 1343-0130

pISSN - 1883-8014

DOI - 10.20965/jaciii.2012.p0503

Subject(s) - computer science , process (computing) , control (management) , qualitative analysis , process control , data mining , industrial engineering , qualitative research , artificial intelligence , social science , sociology , engineering , operating system

This paper first introduces a semi-qualitative methodology to analyze a time trend based on a qualitative description with the addition of quantitative attributes. Using this methodology, it further defines a method to diagnose and qualify a control valve problem in a process control loop. Finally, the defined method of diagnosis successfully applied to several actual data sets from industrial chemical plants.

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